Kainx

AWS EKS 相关错误修复 - remote error: tls: internal error - CSR pending

AWS asg(Auto Scaling Group)部署时报错Error: Termination Reason: Client.InternalError: Client error on launch

grafana中利用变量来添加dashboard详情页地址实现点击跳转

k8s apply时报错 x509: cannot validate certificate for xxx because it doesn't contain any IP SANs 可能原因及解决方案

Docker 内存限制导致SLUB unable to allocate with large page cache

kubelet failed to get container info for "/system.slice/docker.service": unknown container "/system.slice/docker.service" 解决办法

记录k8s常用命令

k8s控制器和Pod Template的关系

networkPlugin cni failed to teardown pod nginx network: invalid version \"\": the version is empty" 问题修复

执行systemctl status kubelet -l 可以看到更多报错信息,我的是cni配置问题文件校验没通过Mar 02 17:00:50 kubelet[270466]: E0302 17:00:50.725250 270466 pod_workers.go:836] "Error syncing pod, skipping" err="network is not ready: container runtime network not ready: NetworkReady=false

kubeadm join 添加节点时报错[ERROR FileExisting-conntrack]: conntrack not found in system path, 执行yum install -y conntrack 然后重新执行 kubeadm join命令即可

Unable to update cni config: No networks found in /etc/cni/net.d 解决办法

unable to recognize "*.yaml": no matches for kind "ClusterRole" in version "rbac.authoriz

docker导致宿主机重启,分析后发现和Cgroup驱动程序导致了这桩惨案

现象之前某个后端服务pod在不停的重启导致线上环境很不稳定,于是开始分析问题的原因

现象我用rancher 部署k8s集群的时候出现Failed to get /health for host [10.154.12.79]: Get https://xxx:2379/health: net/http: TLS handshake timeout 这一错误.执行./rke_linux-amd64 -d up --config=cluster.yml 命令打开debug模式发现更多报错信息WARN[0134] [etcd] host [xxx] failed to check etcd

现象之前用docker运行了一个nginx镜像没有任何报错,但是用k8s启动镜像的时候就报错"nginx: [emerg] mkdir() “/var/cache/nginx/client_temp” failed (13: Permission denied)" 而且是在特定的命名空间下面才会出现这个错误.正常的docker版本是17.03.3-ce不正常的docker版本是Docker 19.03.4 后者用的是Overlay2存储驱动.思考根据报错信息可以明显看出是用户权限的问题, 之前也遇到

hostname 和 DNS 的解析规则不匹配导致报错,原因是 hostname 和 DNS 的解析规则不匹配， 不能有除-和 . 之外的特殊字符存在。注意是主机名hostname,不可有-或者.nodeRegistration.name: Invalid value: "vm_0_14_centos": a DNS-1123 subdomain must consist of lower case alphanumeric characters, '-' or '.', and must start..

安装root用户执行下面的脚本就行,必须保证能连外网source <(curl -sL https://git.io/k8s-install) --flannel原文链接: https://github.com/Jrohy/k8s-installkubeadm离线安装参考: https://gist.github.com/onuryilmaz/89a29261652299d7cf768223fd61da02...